Pilot reports mysterious silver canister hovering near aircraft at 3,500 feet as air traffic control admits they have no ...

Helium leaks are hard to detect. Helium is odorless, colorless, tasteless, and does not react with other chemical substances.

Researchers at Nanjing University have developed a novel helium-detecting device, drawing inspiration from the traditional ...

A professor at the University of Cincinnati and his colleagues have figured out something two of America's most famous ...

Physicists have found a clever way to detect the elusive Unruh effect without extreme accelerations. By using atoms that emit light cooperatively between mirrors, acceleration subtly shifts when a ...

In geometry, there are surfaces that do without an inside or outside—and some need at least four dimensions to exist ...

Machine learning techniques that make use of tensor networks could manipulate data more efficiently and help open the black ...

Astronomers have uncovered a massive hidden planet and a rare “failed star” by combining ultra-precise space data with some of the sharpest ground-based images ever taken. Using the Subaru Telescope ...

Researchers have identified a distinctive ultraviolet signature of water in the interstellar comet known as 3I/ATLAS.

Interstellar comet 3I/ATLAS makes its closest approach to Earth on Dec. 19. Here's how you can track its progress both during ...

Tomorrow night is the longest night of the year with the December solstice that officially marks the beginning of the season ...

Sam Holcroft’s "Rules for Living" turns holiday tension into a smart, funny spiral of family coping strategies gone haywire.